Midcontinent Independent System Operator, Inc.

Balancing Authority Summary Information

Midcontinent Independent System Operator, Inc. is ranked #2 out of 64 balancing authorities in terms of total annual electricity generation.

Balancing Authority	Midcontinent Independent System Operator, Inc.
States	Arkansas Illinois Indiana Iowa Kentucky Louisiana Michigan Minnesota Mississippi Missouri Montana North Dakota South Dakota Texas Wisconsin
Last Update	Jul 2026
Annual Generation	669.4 TWh
Power Plants	3,038
Utilities	1,345
Ranked #2 out of 64 in terms of net annual generation
Ranked #2 out of 53 in terms of annual generation from natural gas
Power Plant Types	Natural Gas \| 37% Coal \| 26.5% Wind \| 14.9% Nuclear \| 13.9% Solar \| 5.7% Water \| 1.4% Other Fuel \| 0.6%

Map of Midcontinent Independent System Operator, Inc.

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Daily Net Generation for Midcontinent Independent System Operator, Inc. for the past 3 Years

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Plant Name	Utility	Location	Annual Generation	Plant Date	Last Update	Fuel Types
Lorin Industries	Lorin Industries	Muskegon, MI	4 GWh	Dec 1989	Dec 2025	Natural Gas
McDonald Solar Farm, LLC	Cypress Creek Renewables	West Terre Haute, IN	8 GWh	Nov 2015	Dec 2025	Solar
Pastime Farm, LLC	Cypress Creek Renewables	Brazil, IN	9 GWh	Nov 2015	Dec 2025	Solar
IMPA Huntingburg Solar Park	Indiana Municipal Power Agency	Huntingburg, IN	3 GWh	Aug 2016	Dec 2025	Solar
IMPA Washington Solar Park	Indiana Municipal Power Agency	Washington, IN	4 GWh	Aug 2016	Dec 2025	Solar
Owatonna Energy Station	Southern Minnesota Mun P Agny	Owatonna, MN	2 GWh	Feb 2018	Dec 2025	Natural Gas
O'Brien Wind	MidAmerican Energy Co	Primghar, IA	851 GWh	Aug 2016	Dec 2025	Wind
Ida Grove Wind	MidAmerican Energy Co	Ida Grove, IA	1 TWh	Aug 2016	Dec 2025	Wind
Turrill Solar Farm	DTE Electric Company	Lapeer, MI	20 GWh	Apr 2017	Dec 2025	Solar
O'Shea Solar Farm	DTE Electric Company	Detroit, MI	3 GWh	Jun 2017	Dec 2025	Solar
Crane Solar Facility	Duke Energy Indiana, LLC	Crane, IN	27 GWh	Dec 2016	Dec 2025	Solar
Albany Solar	Enel Green Power NA, Inc.	Albany, MN	19 GWh	Nov 2016	Dec 2025	Solar
Annandale Solar	Enel Green Power NA, Inc.	Annandale, MN	12 GWh	Nov 2016	Dec 2025	Solar
Atwater Solar	Enel Green Power NA, Inc.	Atwater, MN	8 GWh	Nov 2016	Dec 2025	Solar
Chisago Solar	Enel Green Power NA, Inc.	North Branch, MN	11 GWh	Nov 2016	Dec 2025	Solar
Dodge Center Solar	Enel Green Power NA, Inc.	Dodge Center, MN	13 GWh	Nov 2016	Dec 2025	Solar
Eastwood Solar	Enel Green Power NA, Inc.	Mankato, MN	11 GWh	Nov 2016	Dec 2025	Solar
Hastings Solar	Enel Green Power NA, Inc.	Hastings, MN	8 GWh	Nov 2016	Dec 2025	Solar
Lake Emily Solar	Enel Green Power NA, Inc.	St. Peter, MN	9 GWh	Nov 2016	Dec 2025	Solar
Lake Pulaski Solar	Enel Green Power NA, Inc.	Buffalo, MN	13 GWh	Nov 2016	Dec 2025	Solar
Lawrence Creek Solar	Enel Green Power NA, Inc.	Shafer, MN	6 GWh	Nov 2016	Dec 2025	Solar
Montrose Solar	Enel Green Power NA, Inc.	Montrose, MN	6 GWh	Nov 2016	Dec 2025	Solar
Paynesville Solar	Enel Green Power NA, Inc.	Paynesville, MN	18 GWh	Nov 2016	Dec 2025	Solar
Pine Island Solar	Enel Green Power NA, Inc.	Pine Island, MN	8 GWh	Nov 2016	Dec 2025	Solar
Waseca Solar	Enel Green Power NA, Inc.	Waseca, MN	21 GWh	Nov 2016	Dec 2025	Solar
West Faribault Solar	Enel Green Power NA, Inc.	Faribault, MN	10 GWh	Nov 2016	Dec 2025	Solar
West Waconia Solar	Enel Green Power NA, Inc.	Norwood Young America, MN	16 GWh	Nov 2016	Dec 2025	Solar
Wind GEM	Wind GEM, LLC	Stuart, IA	5 GWh	Aug 2015	Dec 2025	Wind
Marquette Energy Center	City of Marquette - (MI)	Marquette, MI	164 GWh	Jul 2017	Dec 2025	Natural Gas : 98.9% Distillate Fuel Oil : 1.1%
Westside Energy Station	Rochester Public Utilities	Rochester, MN	57 GWh	Feb 2018	Dec 2025	Natural Gas
St. Mary Clean Energy Center	Cleco Power LLC	Centerville, LA	181 GWh	Jul 2019	Dec 2025	Waste Heat
Empire Solar	Cypress Creek Renewables	Farmington, MN	6 GWh	Nov 2016	Dec 2025	Solar
Blue Lake Solar	Cypress Creek Renewables	Shakopee, MN	3 GWh	Nov 2016	Dec 2025	Solar
Shakopee Energy Park	Minnesota Municipal Power Agny	Shakopee, MN	57 GWh	Jan 2017	Dec 2025	Natural Gas
Dickinson Solar Array	Great River Energy	Buffalo, MN	2 GWh	Jul 2016	Dec 2025	Solar
Pierre Solar	Western Minnesota Mun Pwr Agny	Pierre, SD	2 GWh	Aug 2016	Dec 2025	Solar
WakeSun LLC	SunShare Management	Cold Spring, MN	5 GWh	Dec 2016	Dec 2025	Solar
BentonSun LLC	SunShare Management	Norwood Young America, MN	8 GWh	Nov 2016	Dec 2025	Solar
Chisago Community Solar	Chisago Community Solar	Taylor Falls, MN	6 GWh	Nov 2016	Dec 2025	Solar
Ursa Community Solar	Ursa Community Solar	Farmington, MN	8 GWh	Dec 2016	Dec 2025	Solar
Sunrise Community Solar	Sunrise Community Solar	North Branch, MN	8 GWh	Nov 2016	Dec 2025	Solar
Rosemount Community Solar	Rosemount Community Solar	Rosemount, MN	8 GWh	Nov 2016	Dec 2025	Solar
Paynesville Community Solar	Paynesville Community Solar	Paynesville, MN	8 GWh	Nov 2016	Dec 2025	Solar
Orion Community Solar	Orion Community Solar	St. Joseph, MN	4 GWh	Dec 2016	Dec 2025	Solar
Northfield Community Solar	Northfield Community Solar	Northfield, MN	8 GWh	Nov 2016	Dec 2025	Solar
Green Cow Power	Green Cow Power LLC	Goshen, IN	11 GWh	Mar 2015	Dec 2025	Other Biomass Gas
Eichtens Community Solar	Terraform Arcadia	Center, MN	5 GWh	Nov 2016	Dec 2025	Solar
Red Wing Community Solar	Terraform Arcadia	Red Wing, MN	7 GWh	Nov 2016	Dec 2025	Solar
Webster Holdco Solar CSG	Webster Holdco LLC	Webster, MN	8 GWh	Jun 2017	Dec 2025	Solar
Farmington Holdco Solar	Farmington Holdco LLC	Farmington, MN	8 GWh	Jan 2017	Dec 2025	Solar
Dodge Holdco Solar CSG	Dodge Holdco LLC	Kasson, MN	7 GWh	Jun 2017	Dec 2025	Solar
Hwy 14 Holdco Solar CSG	Hwy 14 Holdco, LLC	Byron, MN	7 GWh	Jun 2017	Dec 2025	Solar
Pine Island Solar CSG	Pine Island Holdco, LLC	Pine Island, MN	6 GWh	Jan 2017	Dec 2025	Solar
Forest Lake Solar CSG	Forest Lake Holdco LLC	Scandia, MN	7 GWh	Jun 2017	Dec 2025	Solar
Wabasha Holdco Solar CSG	Wabasha Holdco LLC	Wabasha, MN	3 GWh	Feb 2017	Dec 2025	Solar
Kokomo Solar 1, LLC	NJR Clean Energy Ventures Corporation	Kokomo, IN	7 GWh	Nov 2016	Dec 2025	Solar
Sauk DPC Solar	SoCore Energy LLC	Wonewoc, WI	2 GWh	Dec 2016	Dec 2025	Solar
Lafayette DPC Solar	SoCore Energy LLC	Chippewa Falls, WI	2 GWh	May 2017	Dec 2025	Solar
Conrath DPC Solar	SoCore Energy LLC	Conrath, WI	1 GWh	May 2017	Dec 2025	Solar
Green Energy Machine	Green Energy Machine, LLC	Anita, IA	6 GWh	May 2016	Dec 2025	Wind
Shakopee Met Council WTP	Oak Leaf Solar V LLC	Shakopee, MN	2 GWh	Feb 2016	Dec 2025	Solar
GRE Marshan Solar	SoCore Energy LLC	Hastings, MN	1 GWh	Oct 2017	Dec 2025	Solar
Antlia Community Solar	Antlia Community Solar	Edgerton, MN	3 GWh	Aug 2017	Dec 2025	Solar
Aries Community Solar	Aries Community Solar	Claremont, MN	7 GWh	Sep 2017	Dec 2025	Solar
Centaurus Community Solar	Centaurus Community Solar	Maynard, MN	3 GWh	Aug 2017	Dec 2025	Solar
Gemini Community Solar	Gemini Community Solar	Scandia, MN	5 GWh	Aug 2017	Dec 2025	Solar
Mapleton Community Solar	Mapleton Community Solar	Mapleton, MN	5 GWh	May 2017	Dec 2025	Solar
Morgan Community Solar	Morgan Community Solar	Morgan, MN	5 GWh	Mar 2017	Dec 2025	Solar
Spica Community Solar	Spica Community Solar	Lake Lillian, MN	3 GWh	Jul 2017	Dec 2025	Solar
Vega Community Solar	Vega Community Solar	Glenwood, MN	8 GWh	Sep 2017	Dec 2025	Solar
West Dubuque Solar	Interstate Power and Light Co	Dubuque, IA	6 GWh	Aug 2017	Dec 2025	Solar
Strawberry Point DPC Solar	SoCore Energy LLC	Strawberry Point, IA	2 GWh	Oct 2017	Dec 2025	Solar
Sand Lake DPC Solar	SoCore Energy LLC	Centuria, WI	2 GWh	Oct 2017	Dec 2025	Solar
Nesvold Watertown Solar	SoCore Energy LLC	Watertown, MN	9 GWh	Dec 2017	Dec 2025	Solar
Red Maple Solar	Terraform Arcadia	Cleveland, MN	5 GWh	May 2018	Dec 2025	Solar
Lind Solar CSG	Terraform Arcadia	Young America, MN	8 GWh	Jan 2017	Dec 2025	Solar
Michael Solar	SoCore Energy LLC	Freeport, MN	7 GWh	Nov 2017	Dec 2025	Solar
Kramer Solar CSG	Geronimo Power	Hector, MN	6 GWh	Nov 2017	Dec 2025	Solar
Novel OYA of Osakis CSG	NRG MN Community LLC	Osakis, MN	9 GWh	Jun 2018	Dec 2025	Solar
Novel - OYA of Mapleton CSG	NRG MN Community LLC	Mapleton, MN	6 GWh	Jun 2018	Dec 2025	Solar
Lemond Solar	Adapture Renewables, Inc.	Owatonna, MN	9 GWh	May 2017	Dec 2025	Solar
Armstrong Solar	ETCAP NES CS MN 06 LLC	Glenwood, MN	5 GWh	Feb 2018	Dec 2025	Solar
Marmas Solar CSG	Geronimo Power	St. Cloud, MN	5 GWh	Mar 2018	Dec 2025	Solar
CF Novel Solar CSG Gardens Two, LLC	SunStrong Management, LLC	Minnesota Lake, MN	3 GWh	Nov 2017	Dec 2025	Solar
CF Novel Solar CSG Gardens Eleven, LLC	SunStrong Management, LLC	Mankato, MN	5 GWh	Nov 2017	Dec 2025	Solar
WasecaSun	Geronimo Power	Waseca, MN	9 GWh	Jan 2018	Dec 2025	Solar
Taurus Community Solar	Taurus Community Solar	Montevideo, MN	6 GWh	Feb 2018	Dec 2025	Solar
Pegasus Community Solar	Pegasus Community Solar	Brooten, MN	3 GWh	Jul 2017	Dec 2025	Solar
Antares Community Solar	Antares Community Solar	Tracy, MN	5 GWh	May 2018	Dec 2025	Solar
Corvus Community Solar	Corvus Community Solar	Mankato, MN	8 GWh	Sep 2018	Dec 2025	Solar
Capella Community Solar	Capella Community Solar	Pipestone, MN	9 GWh	Sep 2017	Dec 2025	Solar
Carina Community Solar	Carina Community Solar	Zumbro Falls, MN	6 GWh	Jan 2018	Dec 2025	Solar
Caelum Community Solar	Caelum Community Solar	Foley, MN	3 GWh	Sep 2017	Dec 2025	Solar
Andromeda Community Solar	Andromeda Community Solar	Lester Prairie, MN	8 GWh	Sep 2017	Dec 2025	Solar
Lyra Community Solar	Lyra Community Solar	Waterville, MN	5 GWh	Jan 2018	Dec 2025	Solar
Argo Navis Community Solar	Argo Navis Community Solar	Scandia, MN	5 GWh	Feb 2018	Dec 2025	Solar
Lahr 1, LLC	SoCore Energy LLC	Wakefield Township, MN	8 GWh	Dec 2017	Dec 2025	Solar
Crater Community Solar	Crater Community Solar	Granite Falls, MN	5 GWh	Nov 2017	Dec 2025	Solar
Delphinus Community Solar	Delphinus Community Solar	Sauk Rapids, MN	3 GWh	Feb 2018	Dec 2025	Solar
Oak Hill Solar Array	Southern Indiana Gas & Elec Co	Evansville, IN	3 GWh	Oct 2018	Dec 2025	Solar

Surrounding Balancing Authorities

Rank	Balancing Authority	Annual Net Generation	# Power Plants
#61	Alcoa Power Generating, Inc. - Yadkin Division	442.5 GWh	4
#26	Associated Electric Cooperative, Inc.	23.4 TWh	47
#13	Duke Energy Carolinas	112.6 TWh	577
#50	Duke Energy Progress West	4.5 TWh	15
#23	Louisville Gas and Electric Company and Kentucky Utilities Company	33.9 TWh	25
#1	PJM Interconnection, LLC	882.8 TWh	2,652
#6	Southern Company Services, Inc. - Trans	253.5 TWh	422
#5	Southwest Power Pool	306.8 TWh	856
#53	Southwestern Power Administration	4.1 TWh	34
#9	Tennessee Valley Authority	163.4 TWh	207

Balancing Authorities with Similar Net Generation

Rank	Balancing Authority	Annual Net Generation	# Power Plants
#1	PJM Interconnection, LLC	882.8 TWh	2,652
#2	Midcontinent Independent System Operator, Inc.	669.4 TWh	3,038
#3	Electric Reliability Council of Texas, Inc.	494.1 TWh	1,471
#5	Southwest Power Pool	306.8 TWh	856
#6	Southern Company Services, Inc. - Trans	253.5 TWh	422
#7	California Independent System Operator	169.4 TWh	2,135
#9	Tennessee Valley Authority	163.4 TWh	207
#10	Florida Power & Light Co.	152.2 TWh	187
#12	New York Independent System Operator	134.3 TWh	1,299
#13	Duke Energy Carolinas	112.6 TWh	577